Home / 1,934.12-2,900.75-547.14

Finding the Fourth Proportional to 1,934.12, 2,900.75 and 547.14

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Solution

The fourth proportional to 1,934.12, 2,900.75 and 547.14 is: 820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.12 : 2,900.75 = 547.14 : x
  2. Step 2: Convert to fraction form
    1,934.12/2,900.75 = 547.14/x
  3. Step 3: Cross multiply
    1,934.12x = 2,900.75 × 547.14
  4. Step 4: Simplify right side
    1,934.12x = 1,587,108.18
  5. Step 5: Solve for x
    x = 1,587,108.18/1,934.12
  6. Step 6: Final answer
    x = 820.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.